26553266315 has 4 divisors (see below), whose sum is σ = 31863919584. Its totient is φ = 21242613048.

The previous prime is 26553266227. The next prime is 26553266321. The reversal of 26553266315 is 51366235562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26553266315 - 2²⁰ = 26552217739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655326627 + ... + 2655326636.

It is an arithmetic number, because the mean of its divisors is an integer number (7965979896).

Almost surely, 2^26553266315 is an apocalyptic number.

26553266315 is a deficient number, since it is larger than the sum of its proper divisors (5310653269).

26553266315 is an equidigital number, since it uses as much as digits as its factorization.

26553266315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310653268.

The product of its digits is 972000, while the sum is 44.

The spelling of 26553266315 in words is "twenty-six billion, five hundred fifty-three million, two hundred sixty-six thousand, three hundred fifteen".